quadriceps

n. large four-part extensor muscle of the front of the thigh (Anatomy)

"Quads" redirects here. For other uses see Quad The quadriceps femoris (quadriceps, quadriceps extensor, guads or quads) includes the four prevailing muscles on the front of the thigh. It is the great extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur.
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Quadriceps /quad·ri·ceps/ having four heads. quad·ri·ceps n. The large four-part extensor muscle at the front of the thigh. adj. [more]Quadriceps - Community and Resources

Noun
1. a muscle of the thigh that extends the leg
(synonym) quadriceps femoris, musculus quadriceps femoris, quad
(hypernym) extensor muscle, extensor
(part-holonym) thigh

n. quadriceps, large four-part extensor muscle of the front of the thigh (Anatomy)